books.google.co.uk - Though polo is commonly associated with Britain and South America, the sport also enjoys a strong following in the United States. This comprehensive history describes the evolution of polo in the U.S., from its beginnings in a New York City riding academy in 1876 to the 2010 Open Championship held...http://books.google.co.uk/books/about/Polo_in_the_United_States.html?id=bA8m29zYOU4C&utm_source=gb-gplus-sharePolo in the United States